Biosignal infrastructure for human-aware technology

Bengaluru, IN
Joined July 2021
Nexstem is now Anthriq. A new name that reflects what weโ€™ve grown into: building foundational infrastructure for human-aware technology. Same DNA. Clearer direction. Read more in our Press Release: anthriq.com/post/nexstem-is-โ€ฆ
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๐˜๐จ๐ฎ๐ซ ๐๐ซ๐š๐ข๐ง ๐ˆ๐ฌ๐ง'๐ญ ๐Ž๐ง๐ž ๐Ž๐ซ๐ ๐š๐ง. ๐ˆ๐ญ'๐ฌ ๐“๐ฐ๐จ ๐‹๐ข๐ง๐ž๐š๐ ๐ž๐ฌ ๐“๐ก๐š๐ญ ๐๐ž๐ฏ๐ž๐ซ ๐Œ๐ข๐ฑ. The textbook view is that the brain grows from one shared pool of embryonic progenitor cells, which later branch into forebrain, midbrain, and hindbrain. A Stanford Medicine study in Nature Neuroscience challenges that view. Lineage tracing in mouse embryos shows two separate progenitor populations appearing at the same time during gastrulation. One builds the front of the brain, and the other builds the back. ๐Ÿ”ย ๐–๐ก๐š๐ญ ๐ญ๐ก๐ข๐ฌ ๐ซ๐ž๐ฌ๐ž๐š๐ซ๐œ๐ก ๐ข๐ฆ๐ฉ๐ฅ๐ข๐ž๐ฌ: The brain may be a composite organ, assembled from two lineages that are committed to their fates from the start. ๐Ÿ’ก ๐Š๐ž๐ฒ ๐ญ๐š๐ค๐ž๐š๐ฐ๐š๐ฒ๐ฌ: ๐ŸŽฏ Otx2-expressing anterior cells form only the forebrain and midbrain. Gbx2-expressing posterior cells form only the hindbrain. The two populations don't cross over. ๐ŸŽฏ Each lineage has its own chromatin landscape from early on. This explains why years of attempts to convert forebrain precursors into hindbrain cells failed. ๐ŸŽฏ Starting from the correct posterior lineage, the team grew electrically active human hindbrain motor neurons (rhombomere 5/6), a cell type that had been hard to produce in the lab. ๐ŸŽฏ The same dual-origin pattern appears in chickens, zebrafish, and acorn worms, which suggests it has been conserved for about 550 million years. ๐Ÿ“Œ ๐–๐ก๐ฒ ๐ญ๐ก๐ข๐ฌ ๐ฆ๐š๐ญ๐ญ๐ž๐ซ๐ฌ: The hindbrain controls breathing, swallowing, and facial movement. These functions fail in ALS and spinal muscular atrophy, and living human brainstem tissue can't be sampled. Lab-grown hindbrain neurons give researchers a human model to study these diseases. The hindbrain also contains the satiety circuits that GLP-1 drugs act on, so the model could help explain how those drugs work in human cells. ๐Ÿ”— ๐‘๐ž๐š๐ ๐ฆ๐จ๐ซ๐ž:ย  shorturl.at/jA8WH #DevelopmentalBiology #StemCells #ALS #Neuroscience #BrainEvolution #Brainstem #Anthriq
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๐‡๐š๐ฏ๐ž ๐ฒ๐จ๐ฎ ๐ซ๐ž๐š๐ ๐ˆ๐ฌ๐ฌ๐ฎ๐ž #๐Ÿ” ๐จ๐Ÿ ๐๐ž๐ฎ๐ซ๐จ๐ญ๐ž๐œ๐ก ๐๐ฎ๐ฅ๐ฌ๐ž ๐’๐ฉ๐จ๐ญ๐ฅ๐ข๐ ๐ก๐ญ? ๐“๐ก๐ž ๐‹๐ข๐ ๐ก๐ญ ๐’๐ฐ๐ข๐ญ๐œ๐ก, ๐ญ๐ก๐ž ๐ˆ๐ฆ๐ฉ๐ฅ๐š๐ง๐ญ, & ๐ญ๐ก๐ž ๐‡๐ž๐š๐๐ฉ๐ก๐จ๐ง๐ž. A Nobel for the tool that lets us switch neurons, and two very different bets on how to reach the brain. 1. Peter Hegemann went looking for how pond algae sense light and, with Georg Nagel, found channelrhodopsin, the protein every optogenetics experiment now starts with. 2. Karl Deisseroth put it into mammalian neurons and gave neuroscience millisecond control over specific cells. Together, their work took the 2026 Nobel Prize in Physiology or Medicine. 3. On the business side, Paul Le Flochโ€™s Axoft is building implants 10,000x softer than polyimide: first-in-human cases, a $55M Series A, and trials expanding into China. 4. And Ramses Alcaideโ€™s Neurable is skipping surgery entirely, putting EEG into headphones and licensing it to device makers. ๐Ÿ”— ๐‘๐ž๐š๐ ๐ญ๐ก๐ž ๐Ÿ๐ฎ๐ฅ๐ฅ ๐ข๐ฌ๐ฌ๐ฎ๐ž: shorturl.at/y77LS #NeurotechPulse #Neurotech #Neuroscience #BCI #Anthriq #Optogenetics #NobelPrize #Neuromodulation #DigitalHealth
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๐˜๐จ๐ฎ๐ซ ๐๐ซ๐š๐ข๐ง ๐‚๐ž๐ฅ๐ฅ๐ฌ ๐Œ๐š๐ฒ ๐๐จ๐ญ ๐๐ž ๐ƒ๐ฒ๐ข๐ง๐  ๐…๐ซ๐จ๐ฆ ๐“๐š๐ฎ, ๐›๐ฎ๐ญ ๐…๐ซ๐จ๐ฆ ๐ญ๐ก๐ž ๐ˆ๐ฆ๐ฆ๐ฎ๐ง๐ž ๐€๐ญ๐ญ๐š๐œ๐ค ๐ˆ๐ญ ๐“๐ซ๐ข๐ ๐ ๐ž๐ซ๐ฌ. In Alzheimer's and other tauopathies, tau tangles build up inside neurons, and then neurons die. A growing body of evidence suggests the tangles may not do most of the killing. The immune response to them may. A team at WashU Medicine, publishing in Neuron, identified how damaging T cells find their way into the brain, and showed that blocking that route protects brain tissue in mice. ๐Ÿ” ๐–๐ก๐š๐ญ ๐ญ๐ก๐ข๐ฌ ๐ซ๐ž๐ฌ๐ž๐š๐ซ๐œ๐ก ๐ข๐ฆ๐ฉ๐ฅ๐ข๐ž๐ฌ: Neurodegeneration in tauopathy can be slowed without removing tau and without getting a drug into the brain. ๐Ÿ’ก ๐Š๐ž๐ฒ ๐ญ๐š๐ค๐ž๐š๐ฐ๐š๐ฒ๐ฌ: ๐ŸŽฏ When tau builds up, the brain releases a chemical signal called CXCL10. T cells carry a receptor, CXCR3, that follows this signal into brain tissue. ๐ŸŽฏ Blocking CXCR3 with an antibody (every 5 days for 3.5 months) cut brain-infiltrating T cells by about 50% and preserved about 40% more tissue in memory regions. ๐ŸŽฏ Treated mice did better on memory tests, even though tau tangle levels were the same as in untreated mice. ๐ŸŽฏ The antibody stayed at the brain's borders. It reduced activated T-cell populations and microglial MHC-II without broadly shutting down inflammation. ๐Ÿ“Œ ๐–๐ก๐ฒ ๐ญ๐ก๐ข๐ฌ ๐ฆ๐š๐ญ๐ญ๐ž๐ซ๐ฌ: Current Alzheimer's antibodies target amyloid. They modestly slow decline but don't stop ongoing cell loss, and they offer nothing for tauopathies without amyloid. A therapy that works from outside the brain avoids the blood-brain barrier problem entirely. T-cell-targeting drugs already exist for autoimmune conditions such as MS, which gives a practical route to testing. These results are in mice, and safety in humans is still an open question. ๐Ÿ”— ๐‘๐ž๐š๐ ๐ฆ๐จ๐ซ๐ž: shorturl.at/OB7Sq #Alzheimers #Neuroimmunology #Tauopathy #Neurodegeneration #TCells #DrugDiscovery #Anthriq
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๐๐ž๐ฎ๐ซ๐จ๐ฌ๐œ๐ข๐ž๐ง๐œ๐ž ๐€๐Ÿ๐ญ๐ž๐ซ๐ก๐จ๐ฎ๐ซ๐ฌ. Neuroscience folks in Boston, let's meet. Some of the best ideas in science don't come from the lab. They come from a conversation with someone outside it, like a researcher from a different field, a founder building the tools you use, or a fellow PhD student facing the same problems you are. Come join us at ๐๐ž๐ฎ๐ซ๐จ๐ฌ๐œ๐ข๐ž๐ง๐œ๐ž ๐€๐Ÿ๐ญ๐ž๐ซ๐ก๐จ๐ฎ๐ซ๐ฌ, a casual meet & greet for researchers, students, and industry professionals in neuroscience and neurotech. Expect introductions, good conversations, and plenty of chances to meet people outside your usual circle. You might leave with a new collaborator, a mentor, or a fresh perspective on your next step. Register via the link below to know more about the event! ๐‘๐ž๐ ๐ข๐ฌ๐ญ๐ž๐ซ ๐‡๐ž๐ซ๐ž: luma.com/g2ihoqx4 #Sfn26 #Boston #NeuroscienceCommunity #BostonEvents #Networking #Anthriq #NeuroTwitter #AcademicTwitter #SciTwitter #MedTwitter
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๐๐ž๐ฎ๐ซ๐จ๐ญ๐ž๐œ๐ก ๐„๐ง๐ญ๐ซ๐ž๐ฉ๐ซ๐ž๐ง๐ž๐ฎ๐ซ๐ฌ๐ก๐ข๐ฉ ๐Ÿ๐จ๐ซ ๐„๐š๐ซ๐ฅ๐ฒ ๐‚๐š๐ซ๐ž๐ž๐ซ ๐‘๐ž๐ฌ๐ž๐š๐ซ๐œ๐ก๐ž๐ซ๐ฌ. Most neuroscientists have asked themselves whether their research could become something more than a paper. Many shelve it. Grants, papers, the next experiment. But some people chased it, and built companies, devices, and careers out of a question they couldn't let go of. At SfN this year, we're putting them in a room with you. Come join us for a meet and greet on: ๐…๐ซ๐จ๐ฆ ๐๐ž๐ง๐œ๐ก ๐ญ๐จ ๐๐ฎ๐ฌ๐ข๐ง๐ž๐ฌ๐ฌ: ๐๐ž๐ฎ๐ซ๐จ๐ญ๐ž๐œ๐ก ๐„๐ง๐ญ๐ซ๐ž๐ฉ๐ซ๐ž๐ง๐ž๐ฎ๐ซ๐ฌ๐ก๐ข๐ฉ ๐Ÿ๐จ๐ซ ๐„๐š๐ซ๐ฅ๐ฒ ๐‚๐š๐ซ๐ž๐ž๐ซ ๐‘๐ž๐ฌ๐ž๐š๐ซ๐œ๐ก๐ž๐ซ๐ฌ. ๐Ÿ“ Hall E - NNE Space #3, Walter E. Washington Convention Center ๐Ÿ—“ Sunday, Nov 15 - 7 P.M Onwards Just honest conversations with people who've made the jump, and peers figuring out if they want to. ๐‘๐ž๐ ๐ข๐ฌ๐ญ๐ž๐ซ ๐‡๐ž๐ซ๐ž: luma.com/fsm93xda #SfN26 #Neuroscience2026 #SfN #Neurotech #NeurotechEntrepreneurship #EarlyCareerResearchers #PhDLife #Postdoc #AcademiaToIndustry #BenchToBusiness #Neuroscience #Anthriq
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๐‡๐š๐ฏ๐ž ๐ฒ๐จ๐ฎ ๐ซ๐ž๐š๐ ๐ˆ๐ฌ๐ฌ๐ฎ๐ž #๐Ÿ’๐Ÿ ๐จ๐Ÿ ๐๐ž๐ฎ๐ซ๐จ๐ญ๐ž๐œ๐ก ๐๐ฎ๐ฅ๐ฌ๐ž? ๐๐ž๐ฎ๐ซ๐จ๐ญ๐ž๐œ๐ก ๐…๐ข๐ง๐๐ฌ ๐ˆ๐ญ๐ฌ ๐•๐จ๐ข๐œ๐ž: ๐‘๐ž๐š๐ฅ-๐“๐ข๐ฆ๐ž ๐’๐ฉ๐ž๐ž๐œ๐ก, ๐ˆ๐๐Ž ๐๐ฎ๐ž๐ฎ๐ž๐ฌ, & ๐ญ๐ก๐ž ๐‚๐š๐ฉ๐ข๐ญ๐š๐ฅ ๐Œ๐จ๐ฏ๐ข๐ง๐  ๐ˆ๐ง. Paradromics' first Connexus participant spoke with her grandchildren on a live phone call. Separately, MergeLabs signed Butterfly Network, Inc. as its ultrasound chip supplier, and Neuracle Lifesciences, BrainCo Inc and Arfysica Innovation all joined the IPO queue. On the capital side, HappyHealth raised $75M, ReEmerge, Inc. exited stealth with a $37M Series A, and PHOSPHOENIX secured โ‚ฌ1.3M for its cortical vision prosthetic. This issue's case study spotlight features INSIGHTEC, whose Exablate Neuro uses MR-guided focused ultrasound to treat tremor without a single incision. ๐Ÿ”— ๐‘๐ž๐š๐ ๐ญ๐ก๐ž ๐Ÿ๐ฎ๐ฅ๐ฅ ๐ข๐ฌ๐ฌ๐ฎ๐ž: shorturl.at/iPIOd #NeurotechPulse #Neurotech #Neuroscience #BCI #Anthriq #DigitalHealth #FocusedUltrasound
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๐˜๐จ๐ฎ๐ซ ๐Œ๐ž๐ฆ๐จ๐ซ๐ฒ ๐“๐ž๐ฌ๐ญ ๐’๐œ๐จ๐ซ๐ž๐ฌ ๐ญ๐ก๐ž ๐€๐ง๐ฌ๐ฐ๐ž๐ซ๐ฌ. ๐˜๐จ๐ฎ๐ซ ๐’๐ฉ๐ž๐ž๐œ๐ก ๐‘๐ž๐ฏ๐ž๐š๐ฅ๐ฌ ๐ญ๐ก๐ž ๐๐ซ๐š๐ข๐ง ๐๐ž๐ก๐ข๐ง๐ ๐“๐ก๐ž๐ฆ. In a standard memory test, a clinician reads you a short story and asks you to retell it. You get one point for each detail you recall. Everything else you say is ignored, including how your sentences are built, what you repeat, and when you say "I forgot her name." Researchers at Boston University analyzed that ignored speech. Using natural language processing on voice recordings from 710 people in the Long Life Family Study, they found that the way people retell a story carries diagnostic signal on its own. ๐Ÿ”ย  ๐–๐ก๐š๐ญ ๐ญ๐ก๐ข๐ฌ ๐ซ๐ž๐ฌ๐ž๐š๐ซ๐œ๐ก ๐ข๐ฆ๐ฉ๐ฅ๐ข๐ž๐ฌ: A memory test records more than a score. It also captures how a person organizes information, holds onto it, and checks their own errors. ๐Ÿ’ก ๐Š๐ž๐ฒ ๐ญ๐š๐ค๐ž๐š๐ฐ๐š๐ฒ๐ฌ: ๐ŸŽฏ Twelve linguistic features separated people with cognitive impairment from those without. These included losing the story's key details, adding off-task comments, simpler sentence structure, and repeating fragments. ๐ŸŽฏ The team combined these features into one speech score. On its own, it classified impairment almost as accurately as traditional scoring (AUC-PR 0.77 vs. 0.81). ๐ŸŽฏ A higher speech score was linked to lower cognitive screening scores across an average of 7 years of follow-up. ๐ŸŽฏ The features map onto distinct processes: learning, retention, and self-monitoring. This could help separate different types of impairment, not only detect it. ๐Ÿ“Œ ๐–๐ก๐ฒ ๐ญ๐ก๐ข๐ฌ ๐ฆ๐š๐ญ๐ญ๐ž๐ซ๐ฌ: Gold-standard cognitive tests need trained specialists to give and score them. If speech from the same test can be scored automatically, the assessment could move into primary care or onto a phone, and catch changes earlier. The authors note the method still needs validation in other clinical and community groups. ๐Ÿ”— ๐‘๐ž๐š๐ ๐Œ๐จ๐ซ๐ž: shorturl.at/EgVp4 #Neuroscience #Alzheimers #CognitiveDecline #NLP #DementiaScreening #BrainHealth #Anthriq
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๐€๐ง๐ญ๐ก๐ซ๐ข๐ช ๐ก๐ž๐š๐๐ฌ ๐ญ๐จ ๐’๐Ÿ๐'๐Ÿ๐Ÿ”! ๐Ÿง  This November, we're heading to Washington, D.C. for Society for Neuroscience'26 & we can't wait to meet the people shaping what comes next in brain science. Find us at ๐—•๐—ผ๐—ผ๐˜๐—ต ๐Ÿด๐Ÿฏ๐Ÿฌ at the ๐—ช๐—ฎ๐—น๐˜๐—ฒ๐—ฟ ๐—˜. ๐—ช๐—ฎ๐˜€๐—ต๐—ถ๐—ป๐—ด๐˜๐—ผ๐—ป ๐—–๐—ผ๐—ป๐˜ƒ๐—ฒ๐—ป๐˜๐—ถ๐—ผ๐—ป ๐—–๐—ฒ๐—ป๐˜๐—ฒ๐—ฟ, ๐Ÿญ๐Ÿฐโ€“๐Ÿญ๐Ÿด ๐—ก๐—ผ๐˜ƒ๐—ฒ๐—บ๐—ฏ๐—ฒ๐—ฟ. If you're working on biosignals, neural interfaces, or neurotech translation, let's connect! ๐—˜๐˜ƒ๐—ฒ๐—ป๐˜ ๐——๐—ฒ๐˜๐—ฎ๐—ถ๐—น๐˜€: ๐Ÿ“๐—•๐—ผ๐—ผ๐˜๐—ต ๐Ÿด๐Ÿฏ๐Ÿฌ ๐—ช๐—ฎ๐—น๐˜๐—ฒ๐—ฟ ๐—˜. ๐—ช๐—ฎ๐˜€๐—ต๐—ถ๐—ป๐—ด๐˜๐—ผ๐—ป ๐—–๐—ผ๐—ป๐˜ƒ๐—ฒ๐—ป๐˜๐—ถ๐—ผ๐—ป ๐—–๐—ฒ๐—ป๐˜๐—ฒ๐—ฟ ๐Ÿ—“ ๐Ÿญ๐Ÿฐโ€“๐Ÿญ๐Ÿด ๐—ก๐—ผ๐˜ƒ๐—ฒ๐—บ๐—ฏ๐—ฒ๐—ฟ, ๐Ÿฎ๐Ÿฌ๐Ÿฎ๐Ÿฒ See you in D.C.! #SfN26 #Neuroscience2026 #Neurotech #Biosignals #BCI #SocietyforNeuroscience
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๐†๐ฅ๐ข๐จ๐›๐ฅ๐š๐ฌ๐ญ๐จ๐ฆ๐š ๐ฆ๐š๐ฒ ๐ฃ๐ฎ๐ฌ๐ญ ๐ก๐š๐ฏ๐ž ๐›๐ž๐ž๐ง ๐ก๐ข๐๐ข๐ง๐  ๐ญ๐ก๐จ๐ฎ๐ฌ๐š๐ง๐๐ฌ ๐จ๐Ÿ ๐ญ๐ซ๐ž๐š๐ญ๐ฆ๐ž๐ง๐ญ ๐ญ๐š๐ซ๐ ๐ž๐ญ๐ฌ ๐Ÿ๐ซ๐จ๐ฆ ๐ฌ๐ญ๐š๐ง๐๐š๐ซ๐ ๐ฌ๐ž๐ช๐ฎ๐ž๐ง๐œ๐ข๐ง๐  ๐ญ๐จ๐จ๐ฅ๐ฌ. Researchers from the University of Hong Kong's Clinical Neuroscience Consortium and the Hong Kong Genome Institute applied long-read single-cell RNA sequencing โ€” instead of the conventional short-read method โ€” to more than 210,000 individual cells from 27 glioblastoma patients. Because short-read sequencing fragments genetic material, it has never been able to fully reconstruct the complete gene variants (isoforms) present in individual tumor cells. Long-read sequencing can. ๐Ÿ” ๐–๐ก๐š๐ญ ๐ญ๐ก๐ข๐ฌ ๐ซ๐ž๐ฌ๐ž๐š๐ซ๐œ๐ก ๐ข๐ฆ๐ฉ๐ฅ๐ข๐ž๐ฌ: The therapeutic targets that mattered most in glioblastoma may have been structurally invisible to the technology researchers were using all along; not biologically absent, but methodologically undetectable. ๐Ÿ’ก ๐Š๐ž๐ฒ ๐ญ๐š๐ค๐ž๐š๐ฐ๐š๐ฒ๐ฌ: ๐ŸŽฏ The team identified 6,524 previously unannotated gene isoforms, with 179 found exclusively in tumor cells and completely absent from healthy tissue ๐ŸŽฏ A subset of these tumor-specific isoforms is predicted to bind strongly to MHC class I molecules; the machinery that presents abnormal proteins to the immune system ๐ŸŽฏ That binding profile qualifies them as neoantigens: targets a personalized cancer vaccine could train the immune system to recognize ๐ŸŽฏ The team also mapped surfaceโ€“intracellular target pairs in seven patients, opening the door to dual-specific ligand-based therapies ๐ŸŽฏ This is the first validated analytical framework for applying clinical long-read single-cell sequencing at this scale in neuro-oncology ๐Ÿ“Œ ๐–๐ก๐ฒ ๐ญ๐ก๐ข๐ฌ ๐ฆ๐š๐ญ๐ญ๐ž๐ซ๐ฌ: This doesn't change treatment today; surgery, radiation, and chemotherapy remain standard of care. But it hands the field a validated method and a substantially expanded library of tumor-specific targets for next-generation personalized vaccines and immunotherapies, in a cancer where treatment resistance is largely driven by cellular diversity that older sequencing methods simply couldn't see. ๐Ÿ”— ๐‘๐ž๐š๐ ๐Œ๐จ๐ซ๐ž:ย sl1nk.com/lo6zvzd #Neuroscience #Glioblastoma #CancerVaccine #Genomics #BrainCancer #Immunotherapy #Anthriq
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๐๐ž๐ฒ๐จ๐ง๐ ๐ญ๐ก๐ž ๐‡๐ž๐š๐ซ๐ญ๐›๐ž๐š๐ญ: ๐–๐ก๐š๐ญ ๐„๐‚๐† ๐‘๐ž๐ฏ๐ž๐š๐ฅ๐ฌ ๐€๐›๐จ๐ฎ๐ญ ๐ญ๐ก๐ž ๐๐ซ๐š๐ข๐ง. Your brain and heart are in constant conversation. New research shows a simple heart sensor, the kind already sitting on millions of wrists, can now read that conversation well enough to estimate mental strain almost as accurately as an EEG cap. Explore the evidence behind this emerging field. ๐‘๐ž๐š๐ ๐Œ๐จ๐ซ๐ž: shorturl.at/eWJea #ECG #HeartBrainAxis #Neurocardiology #Neurotech #WearableTech #EEG #MentalHealth #CognitiveLoad #DeepTech #Anthriq
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๐๐ž๐ฒ๐จ๐ง๐ ๐ญ๐ก๐ž ๐‡๐ž๐š๐ซ๐ญ๐›๐ž๐š๐ญ: ๐–๐ก๐š๐ญ ๐„๐‚๐† ๐‘๐ž๐ฏ๐ž๐š๐ฅ๐ฌ ๐€๐›๐จ๐ฎ๐ญ ๐ญ๐ก๐ž ๐๐ซ๐š๐ข๐ง. Your brain and heart are in constant conversation. New research shows a simple heart sensor, the kind already sitting on millions of wrists, can now read that conversation well enough to estimate mental strain almost as accurately as an EEG cap. Explore the evidence behind this emerging field . ๐‘๐ž๐š๐ ๐Œ๐จ๐ซ๐ž: shorturl.at/eWJea #ECG #HeartBrainAxis #Neurocardiology #Neurotech #WearableTech #EEG #MentalHealth #CognitiveLoad #DeepTech #Anthriq
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๐“๐š๐ค๐ข๐ง๐  ๐๐ซ๐š๐ข๐ง ๐‘๐ž๐ฌ๐ž๐š๐ซ๐œ๐ก ๐๐ž๐ฒ๐จ๐ง๐ ๐ญ๐ก๐ž ๐‹๐š๐›. A model that decodes one person's hand gestures at 0.93 can fall to chance on the next person, with nothing in the pipeline reporting a fault. That gap, between a clean lab recording and a device that holds up in the field, was the subject of Dr. Soumya's talk at the Signals workshop hosted by the ๐—ก๐—ฒ๐˜‚๐—ฟ๐—ผ๐—ฐ๐—ผ๐—ด๐—ป๐—ถ๐˜๐—ถ๐—ผ๐—ป ๐—Ÿ๐—ฎ๐—ฏ at Christ University, Bangalore, last Friday. His argument was that fidelity is a budget rather than a goal. Every channel dropped, every gel electrode swapped for a dry one, every move out of a shielded room buys something a product needs. Some of that spend is recoverable through calibration and most of it is not, and knowing which is which is most of the work in product development. Drawing on Anthriq's own EMG and brain age programmes, he showed that the failures almost always sat upstream of the model. Electrode placement, the recording protocol, the instrument itself. That is the case for getting research hardware into people's hands early, while the protocol is still being decided rather than after the data is collected. It is also why we build what we build. #Neurotech #EEG #BrainComputerInterface #DeepTech #MedicalDevices
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๐Œ๐ฎ๐ฌ๐œ๐ฅ๐ž ๐ข๐ฌ ๐ง๐จ๐ฐ ๐š ๐ซ๐ž๐œ๐จ๐ ๐ง๐ข๐ณ๐ž๐ ๐ž๐ง๐๐จ๐œ๐ซ๐ข๐ง๐ž ๐จ๐ซ๐ ๐š๐ง โ€” ๐š๐ง๐ ๐ข๐ญ'๐ฌ ๐ฌ๐ข๐ ๐ง๐š๐ฅ๐ข๐ง๐  ๐๐ข๐ซ๐ž๐œ๐ญ๐ฅ๐ฒ ๐ญ๐จ ๐๐š๐ซ๐ค๐ข๐ง๐ฌ๐จ๐ง'๐ฌ-๐ฏ๐ฎ๐ฅ๐ง๐ž๐ซ๐š๐›๐ฅ๐ž ๐ง๐ž๐ฎ๐ซ๐จ๐ง๐ฌ. A team led by Dr. Miguel Germรกn Borda reviewed 129 studies to map how exercise-induced muscle signaling affects Parkinson's disease progression. The central finding: contracting muscle releases hormone-like molecules called "exerkines" that travel through the bloodstream and act directly on dopamine-producing neurons in the substantia nigra โ€” the region Parkinson's destroys. ๐Ÿ” ๐–๐ก๐š๐ญ ๐ญ๐ก๐ข๐ฌ ๐ซ๐ž๐ฌ๐ž๐š๐ซ๐œ๐ก ๐ข๐ฆ๐ฉ๐ฅ๐ข๐ž๐ฌ: Exercise's benefit in Parkinson's isn't just about mobility or symptom management โ€” it's a biochemical, neuroprotective pathway with an identifiable signaling mechanism, not a vague "stay active" recommendation. ๐Ÿ’ก ๐Š๐ž๐ฒ ๐ญ๐š๐ค๐ž๐š๐ฐ๐š๐ฒ๐ฌ: ๐ŸŽฏ Sarcopenia (age-related muscle loss) independently predicts worse Parkinson's outcomes โ€” more falls, faster cognitive decline, reduced independence ๐ŸŽฏ Key exerkines identified include BDNF, IGF-1, irisin, cathepsin B, myostatin, and GDF15 โ€” each released into circulation during muscle contraction ๐ŸŽฏ These molecules exert antioxidant and anti-inflammatory effects directly on dopaminergic neurons, improving mitochondrial function and stress resilience ๐ŸŽฏ Multimodal programs โ€” combining aerobic, resistance, and balance training โ€” produced the strongest improvements in gait, mood, cognition, and quality of life ๐ŸŽฏ Grip strength is emerging as a simple, measurable biomarker for tracking disease progression ๐Ÿ“Œ ๐–๐ก๐ฒ ๐ญ๐ก๐ข๐ฌ ๐ฆ๐š๐ญ๐ญ๐ž๐ซ๐ฌ: This elevates exercise from a supportive lifestyle recommendation to a mechanistic, nonpharmacological intervention with a defined biological pathway. As clinicians look for early, low-risk interventions to slow neurodegeneration, muscle-brain crosstalk offers a therapeutic angle that's already actionable โ€” no new drug required, just structured, sustained movement. ๐Ÿ”— ๐‘๐ž๐š๐ ๐Œ๐จ๐ซ๐ž: sl1nk.com/6o3p56v #Neuroscience #Parkinsons #Neuroprotection #Exercise #Dopamine #BrainHealth #Anthriq
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๐„๐Œ๐† ๐š๐ง๐ ๐Œ๐จ๐ญ๐จ๐ซ ๐ˆ๐ง๐ญ๐ž๐ง๐ญ: ๐ƒ๐ž๐œ๐จ๐๐ข๐ง๐  ๐Œ๐จ๐ฏ๐ž๐ฆ๐ž๐ง๐ญ ๐๐ž๐Ÿ๐จ๐ซ๐ž ๐ˆ๐ญ ๐‡๐š๐ฉ๐ฉ๐ž๐ง๐ฌ Even after a stroke, spinal injury, or amputation, the brain often still sends the signal to move. Surface EMG is learning to read it before the movement ever happens. Explore the evidence across sEMG sensing, deep-learning decoding, and real-world prosthetic and rehab control. ๐‘๐ž๐š๐ ๐Œ๐จ๐ซ๐ž: shorturl.at/RqAex #EMG #sEMG #Neurotech #Neuroprosthetics #MotorIntent #GestureRecognition #BCI #Neuroscience #WearableTech #DeepTech #Anthriq
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๐‡๐š๐ฏ๐ž ๐ฒ๐จ๐ฎ ๐ซ๐ž๐š๐ ๐ˆ๐ฌ๐ฌ๐ฎ๐ž #๐Ÿ“ ๐จ๐Ÿ ๐๐ž๐ฎ๐ซ๐จ๐ญ๐ž๐œ๐ก ๐๐ฎ๐ฅ๐ฌ๐ž ๐’๐ฉ๐จ๐ญ๐ฅ๐ข๐ ๐ก๐ญ? ๐“๐ก๐ž ๐’๐œ๐ข๐ž๐ง๐ญ๐ข๐ฌ๐ญ๐ฌ ๐–๐ก๐จ ๐๐ฎ๐ข๐ฅ๐ญ ๐๐‚๐ˆ'๐ฌ ๐„๐ฏ๐ข๐๐ž๐ง๐œ๐ž ๐๐š๐ฌ๐ž. This edition features four researchers this time: the people behind the trial, the model, the theory, and the law the rest of neurotech builds on. 1. Leigh Hochberg runs the longest BrainGate clinical trial since before "BCI" was a category, actively producing results the field measures itself against. 2. Frank Guenther's model of how children learn to speak has quietly become the scaffolding under most real-time speech-decoding neuroprosthetics. 3. Andrew Schwartz's lab got a paralyzed woman feeding herself with a robotic arm years before "neuroprosthetic" was a term. 4. And Rafael Yuste went from helping launch the BRAIN Initiative to chairing the NeuroRights Foundation; now writing the rulebook for the field he helped start. ๐Ÿ”— ๐‘๐ž๐š๐ ๐ญ๐ก๐ž ๐Ÿ๐ฎ๐ฅ๐ฅ ๐ข๐ฌ๐ฌ๐ฎ๐ž: l1nq.com/eyq6ltk #NeurotechPulse #Neurotech #Neuroscience #BCI #BrainComputerInterface #NeuroRights #Anthriq
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๐“๐ก๐ž ๐œ๐ž๐ฅ๐ฅ๐ฎ๐ฅ๐š๐ซ ๐ซ๐ž๐š๐ฌ๐จ๐ง ๐ฉ๐ฌ๐ฒ๐œ๐ก๐ž๐๐ž๐ฅ๐ข๐œ๐ฌ ๐ฆ๐š๐ค๐ž ๐ž๐ฏ๐ž๐ซ๐ฒ๐ญ๐ก๐ข๐ง๐  ๐Ÿ๐ž๐ž๐ฅ ๐œ๐จ๐ง๐ง๐ž๐œ๐ญ๐ž๐. A new theoretical framework from researchers at the University of Tartu, published in Neuroscience & Biobehavioral Reviews, moves psychedelic science down from whole-brain imaging to the level of a single cell type: layer V pyramidal neurons. These neurons have two functionally distinct branches โ€” basal dendrites that process direct, local sensory input, and apical dendrites that gather distant, contextual signals like memories and expectations. Psychedelics act on serotonin 2A receptors concentrated on the apical side. ๐Ÿ” ๐–๐ก๐š๐ญ ๐ญ๐ก๐ข๐ฌ ๐ซ๐ž๐ฌ๐ž๐š๐ซ๐œ๐ก ๐ข๐ฆ๐ฉ๐ฅ๐ข๐ž๐ฌ: Most psychedelic research has explained effects at the network level โ€” how large-scale brain regions synchronize during a trip. This framework explains where that global shift actually originates: a shift in how individual neurons weigh local versus contextual input. ๐Ÿ’ก ๐Š๐ž๐ฒ ๐ญ๐š๐ค๐ž๐š๐ฐ๐š๐ฒ๐ฌ: ๐ŸŽฏ 5-HT2A receptors sit densely on apical dendrites โ€” the exact part of the neuron responsible for gathering context, not raw sensory detail ๐ŸŽฏ Psychedelics weaken the local/basal signal and strengthen the contextual/apical signal, tipping neuronal firing toward relational processing ๐ŸŽฏ Because layer V neurons are the cortex's main output channel, this contextual signal gets broadcast widely โ€” explaining the hyperconnectivity seen on brain scans ๐ŸŽฏ The model, termed "apical hypercontextualisation," accounts for synesthesia, dissolving mental boundaries, and why "set and setting" so strongly shape a trip โ€” because internal expectations get amplified into perception itself ๐ŸŽฏ It reframes the core psychedelic effect: not enhanced sensory information, but enhanced connection between representations ๐Ÿ“Œ ๐–๐ก๐ฒ ๐ญ๐ก๐ข๐ฌ ๐ฆ๐š๐ญ๐ญ๐ž๐ซ๐ฌ: Grounding psychedelic action in specific dendritic compartments gives psychiatry a mechanistic target rather than a phenomenological description. As psilocybin and related compounds move through trials for depression, addiction, and anxiety, this cellular model offers a concrete hypothesis for how these drugs "loosen" rigid thought patterns โ€” and where future therapeutics might intervene. ๐Ÿ”— ๐‘๐ž๐š๐ ๐Œ๐จ๐ซ๐ž: l1nq.com/6rko104 #Neuroscience #Psychedelics #Psilocybin #Serotonin #MentalHealth #Psychopharmacology #Anthriq
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๐“๐ก๐ž ๐š๐ ๐ข๐ง๐  ๐›๐ซ๐š๐ข๐ง ๐ก๐š๐ฌ ๐š ๐›๐ฅ๐ข๐ง๐ ๐ฌ๐ฉ๐จ๐ญ ๐Ÿ๐จ๐ซ ๐๐ž๐œ๐ฅ๐ข๐ง๐ž: ๐ฅ๐š๐ง๐ ๐ฎ๐š๐ ๐ž. A new MITโ€“Boston University brain imaging study compared adults aged 17โ€“39 to adults aged 41โ€“80 on two systems: the language network and the "multiple demand network" (the general-purpose system behind working memory and problem-solving). The multiple demand network showed the expected age-related decline in synchronization and activation strength. The language network showed almost none. ๐Ÿ” ๐–๐ก๐š๐ญ ๐ญ๐ก๐ข๐ฌ ๐ซ๐ž๐ฌ๐ž๐š๐ซ๐œ๐ก ๐ข๐ฆ๐ฉ๐ฅ๐ข๐ž๐ฌ: Cognitive aging isn't a single, uniform process. It challenges the assumption that "the aging brain" declines as one system; instead, specialization itself may determine how resistant a network is to age-related wear. ๐Ÿ’ก ๐Š๐ž๐ฒ ๐ญ๐š๐ค๐ž๐š๐ฐ๐š๐ฒ๐ฌ: ๐ŸŽฏ Older adults (41โ€“80) showed activation patterns in language regions nearly identical to younger adults (17โ€“39) โ€” same spatial distribution, same intensity ๐ŸŽฏ When exposed to unusual grammar or unfamiliar words, both age groups showed the same spike in neural sensitivity, indicating the underlying language processing mechanism is unchanged ๐ŸŽฏ The multiple demand network, by contrast, showed reduced synchronization, weaker activation, and smaller magnitude of response with age โ€” confirming it as the more vulnerable system ๐ŸŽฏ Researchers argue this resilience stems from how the language network operates: it accumulates knowledge (vocabulary) over a lifetime rather than relying on flexible, general-purpose processing capacity ๐ŸŽฏ Vocabulary size continues to increase with age, giving older adults a cumulative "data" advantage that offsets other cognitive changes ๐Ÿ“Œ ๐–๐ก๐ฒ ๐ญ๐ก๐ข๐ฌ ๐ฆ๐š๐ญ๐ญ๐ž๐ซ๐ฌ: This reframes what we should expect from the aging brain โ€” highly specialized, knowledge-accumulating systems may be structurally protected in ways that flexible, capacity-limited systems are not. For clinical practice, it also gives a clearer baseline for distinguishing normal aging from pathological decline: if language function drops off in an older adult, that's a red flag precisely because it's not supposed to. ๐Ÿ”— ๐‘๐ž๐š๐ ๐Œ๐จ๐ซ๐ž: l1nq.com/f1fy07h hashtag#Neuroscience hashtag#AgingBrain hashtag#CognitiveDecline hashtag#BrainHealth hashtag#Neurolinguistics hashtag#MIT hashtag#Anthriq
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